IQ PUZZLE • Letter T

"I can't solve it, there must be some parts missing here. You check against the box. Yes, there are really only 4 pieces. You go to your friends and in half an hour it’s they now who think you have lost a piece. And they even manage to convince you of that. You check against the box one more time. The picture on it is still the same - just four pieces. Next, the pieces come together to make up anything but the "Letter T". And in a moment of desperation your brain finds a solution, and your mind is completely blown now with the tricky "Letter T"!